Ratios and Proportions Set Up

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

Angie purchased 25 fruits in all. 10 were apples and the rest were peaches. What is the ratio of peaches to apples? (In simplest form)

• 3/2

• 25/10

• 10/15

• 15/10

A baseball team has 16 girls and 8 boys. What is the ratio of total players to boys? (in simplest form)

• 24/8

• 24/16

• 3/1

• 16/8

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2

• 3 to 5

• 5 to 10

• 5 to 3

Which ratios are equivalent to 1 : 3? Select all that apply.

• 10 : 30

• 6 : 18

• 5 : 20

• 2 : 9

Solve the proportion.

• 13

• 11.5

• 22

• 11

Solve the proportion.

• 17.5

• 15

• 8

• 14

The ratio of pass to fail in PE class is 5:1. If there are 90 students in PE, how many are passing?

• 75 students are passing

• 75 are failing

• 450 students are passing

• 15 students are passing

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Solve for x

• x=6

• x =1/6

• x = 7

• x=9